package org.apache.maven.profiles.activation;

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

import java.io.IOException;

import org.apache.maven.model.Activation;
import org.apache.maven.model.ActivationFile;
import org.apache.maven.model.Profile;
import org.codehaus.plexus.interpolation.EnvarBasedValueSource;
import org.codehaus.plexus.interpolation.InterpolationException;
import org.codehaus.plexus.interpolation.MapBasedValueSource;
import org.codehaus.plexus.interpolation.RegexBasedInterpolator;
import org.codehaus.plexus.logging.LogEnabled;
import org.codehaus.plexus.logging.Logger;
import org.codehaus.plexus.util.FileUtils;
import org.codehaus.plexus.util.StringUtils;

@Deprecated
public class FileProfileActivator extends DetectedProfileActivator implements LogEnabled {
  private Logger logger;

  protected boolean canDetectActivation(Profile profile) {
    return profile.getActivation() != null && profile.getActivation().getFile() != null;
  }

  public boolean isActive(Profile profile) {
    Activation activation = profile.getActivation();

    ActivationFile actFile = activation.getFile();

    if (actFile != null) {
      // check if the file exists, if it does then the profile will be active
      String fileString = actFile.getExists();

      RegexBasedInterpolator interpolator = new RegexBasedInterpolator();
      try {
        interpolator.addValueSource(new EnvarBasedValueSource());
      } catch (IOException e) {
        // ignored
      }
      interpolator.addValueSource(new MapBasedValueSource(System.getProperties()));

      try {
        if (StringUtils.isNotEmpty(fileString)) {
          fileString = StringUtils.replace(interpolator.interpolate(fileString, ""), "\\", "/");
          return FileUtils.fileExists(fileString);
        }

        // check if the file is missing, if it is then the profile will be active
        fileString = actFile.getMissing();

        if (StringUtils.isNotEmpty(fileString)) {
          fileString = StringUtils.replace(interpolator.interpolate(fileString, ""), "\\", "/");
          return !FileUtils.fileExists(fileString);
        }
      } catch (InterpolationException e) {
        if (logger.isDebugEnabled()) {
          logger.debug("Failed to interpolate missing file location for profile activator: " + fileString, e);
        } else {
          logger.warn("Failed to interpolate missing file location for profile activator: " + fileString
              + ". Run in debug mode (-X) for more information.");
        }
      }
    }

    return false;
  }

  public void enableLogging(Logger logger) {
    this.logger = logger;
  }
}
